Best year time to visit Great Lakes

General weather information about Great Lakes

Average annual temperature is 22.6 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: 1.2 °C

Number of sunny days: 130 days

Number of rainy days: 235 days

Look at detailed online map of Great Lakes

* Weather data for Great Lakes United States is based on climate observations for 2026 year

Great Lakes air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.729.631.433.534.334.333.934.933.431.230.828.7
Average daytime temperature (°C)22.225.526.629.430.430.732.232.931.628.024.921.6
Average temperature (°C)16.319.420.723.324.225.927.728.226.223.019.516.9
Average night temperature (°C)12.115.016.218.819.422.324.424.722.519.215.613.7
Absolute minimum temperature (°C)1.27.56.612.415.219.723.023.019.210.86.06.6

Great Lakes monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.813.513.913.713.112.311.510.810.4
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)8.49.410.110.011.911.111.011.010.59.57.57.1
Precipitation (mm)382745521092431581221525346101
Sunny days1917117113226171619
Rainy days121120232027292924141412
Snow days000000000000

Best time to visit Great Lakes:

The largest precipitation sum in Great Lakes is at

  • June — 243(mm)
  • July — 158(mm)
  • August — 122(mm)
  • September — 152(mm)
  • Frequently asked questions

    When is the best time to visit Great Lakes?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Great Lakes.
    What is the weather like in Great Lakes?
    See average temperature, rainfall and daylight hours for Great Lakes by month in the table above.
    How many sunny days does Great Lakes have?
    The monthly weather statistics above show sunshine and rainfall patterns for Great Lakes throughout the year.